How can I tell if my heating and cooling system is low on refrigerant? If the system just isn’t putting out much cold air it could be caused by low refrigerant. Although it can still put out some cold air with half the required refrigerant, the output is reduced and the system is much less […]

Heat Pumps Heat pumps are a part of the central HVAC system, using outside air to heat and cool your home. Your heat pump is a refrigeration system that works to compress and decompress refrigerant, and can be reversed to cool or heat a designated space. In Durham, a heat pump installation requires two main […]

Air conditioning equipment is designed to operate with a specific quantity of air passing over its indoor coil surface. When air filters are not replaced, they clog and become coated with dirt. Similarly, the indoor coils get coated with dirt. This dirt reduces the amount of air flowing in the unit below the design limit, […]